Reporter:Chia-Hao Lee

1
???? - ????????

• ReporterChia-Hao Lee
• Computer System and Communication Lab,
• Academia Sinica Institute of Information Science
• 2003.09.09

2
Introduction

• Knowledge Portal (KP)
• ????????????????????????????
• ???????????????????????????????????????

3
????
Crawler
MediaParser
Language
Data Source Modules
Documents
Detector
Indexer (IE)
Language
Keyword
Fulltext
DB
Translator
Indexer
Indexer
Searcher (ISAPI ASP)
Language
Keyword
Fulltext
In
-
Class
This is
optional
Translator
Searcher
Searcher
Searcher
Module
4
??????
Crawler
Language
HTML
HTTP
HTML
Detector
Parser
Module
Documents
Indexer (IE)
Office
Crawler
Crawler
Documents
Language
Text/Field
Media
Language
Text/Field
Media
DB
Detector
Parser
Module
Detector
Parser
Module
PS/PDF
Documents
Crawler
Attachment
Language
Email
Email
Indexer
Detector
Module
Text/HTML
Searcher
5
Media Parser
Scheme classification
Doc-typeclassification
Objects Retrieval
TextExtraction
Indexing
Email
Database
Files
BBS/NNTP
HTTP
Crawler
MediaParser
6
Key Feature I

• ??????
• ???????????????
• ??????
• ??XML?Bookmark??????
• ????????
• ??Dublin Code?Database??
• ??????

7
Key Feature II

• ?????????????
• ????
• ???????
• ???????????????

8
?????????
9
??????
????????? ????????? ????????? ??????
10
??Bookmark??????
????????,????/??
11
??Bookmark????
???????Bookmark???????????
12
??Bookmark????
???Browser?????
13
Dublin Core?Database??
?? Dublin Core ????
?? Dublin Core??? ???????
14
?????????????
???
15
????
16
???????

• ????
• ??????????????????????????????????
• ????
• ????????????????
• ????
• Server side
• Client side

17
Web?????????

• Server-side
• Batch conversion
• On-the-fly filtering
• Client-side
• LiveConverter

18
Server Side Batch Conversion
?? ??? ?
Web page filter
In memoryRendered pages
Data withglyph expr.
LiveConverter
BatchConverter
????
Static pageswithglyph expr.
Web server
Web Server
Rendered pages
Content Provider
Client Browser
19
Server Side On-the-fly filtering
?? ??? ?
Web page filter
In memoryRendered pages
Data withglyph expr.
LiveConverter
BatchConverter
????
Static pageswithglyph expr.
Web server
Web Server
Rendered pages
Content Provider
Client Browser
20
Client Side - LiveConverter
?? ??? ?
Web page filter
In memoryRendered pages
Data withglyph expr.
LiveConverter
BatchConverter
????
Static pageswithglyph expr.
Web server
Web Server
Rendered pages
Content Provider
Client Browser
21
????????
22
??????
23
????(???)
24
????(???)
25

• Q A
• Thank You !